Mode of kaising- sunken vessels



UNITED STATES PATENT OFFICE.

HENRY V. CORBETT, OF BUFFALO, NEW YORK.

MODE OF RAISING SUNKEN VESSELS.

Specification of Letters Patent No.

To all whom t may concern.'

Be it known that I, HENRY V. CORBETT, of Buffalo, in the county of Erieand State of New York, have invented a new and Improved Mode of RaisingSunken Vessels; and I do hereby declare that the following is a full andeXact description thereof, reference being had to the accompanyingdrawings, and to the letters of reference marked thereon, l making apart of this specification, in whichp Figure l, is a longitudinalelevation showing the lines buoy and weight or weights in their descentto the sunken vessel.

A is a vessel placed over the sunken vessel B B, guy lines to guide thebuoy. C, is the hawser by which the weight or weights, D, with buoy E,attached islet down to the` sunken vessel. 4

F, is the windlass.

G, is sunken vessel with buoys attached thereto.

No. 2 isa transverse section of vessel buoy and weight or weightsshowing how the buoy is attached to the vessel by the hook or hooks andhow the weight or weights is detached by raising the weight or weights.

The nature of my invention consists in raising sunken vessels withvbuoys carried down to the sunken vessel by weight or weights attachedto the buoy, which weights are readily detached and drawn to the surfacewhen required.

To enable othersv skilled in the art to make and use my invention, Iwill proceed to describe its construction and operation.

I construct my buoys of wood oriron in any of the known forms of casksand of any desirable size, having suiicient strength to resist thepressure of water at the depth 12,436, dated February 27, 1855.

in which they are to be used. Iattach a hook or hooks at or near thebottom of the buoy of suiicient strength to hold the buoy tothe vessel,and on the opposite side I attach another hook to which I fasten theweight or weights by a hole on one side near the top o f the weight. Tothe top of which a hawser is attached, thereby allowing the weight orweights to sink. It must carry the buoy down with it guided by the guylines which are attached to the arms of the weight or weights andchecked in its descent by the hawser until it reaches the bottom when bygently raising the weight or weights, the buoy will fasten itself to theguards or anything else I wish to fasten to.

The weight or weights can then be drawn up at pleasure.

I do not claim the Inode of raising sunken vessels by the use of casksfilled with water, which is to be pumped out yafter the casks areattached to the vessel, nor do I claim the inode of so doing by means ofexpansive buoys, `which obtain their buoyant power by iniation afterthey are sunk and attached to the vessel. But

What I do claim as my invention and desire to secure by Letters Patentis*- The mode of raising sunken vessels by means of casks or buoyspreviously filled with air, and sunk by a weightwhich is readilydetached, and raised to the surface after the buoy is secured to thevessel substantially as herein described and set forth. `HENRY V.CORBETT.

IVitnesses:

F. G. WARREN, E. Gr. PIKE.

